Holder for greeting cards



FIG. 1 is a front view of a holder for greeting cards showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof; and

FIG. 5 is a rear view thereof. 

The ornamental design for a holder for greeting cards, as shown and described. 